/*
* Copyright (c) 2006, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wso2.carbon.business.messaging.paypal.mediator.ui.handler;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.axiom.om.xpath.AXIOMXPath;
import org.jaxen.JaxenException;
public class ConfigHandler {
private static ConfigHandler configHandler;
private InputStream configsInputStream;
public static final String BUSINESS_ADAPTER_CONFIG_INPUTS_PATH = "./repository/conf/business-adapter-config/inputs.xml";
private OMElement rootElem;
public static ConfigHandler getInstance() {
if (null == configHandler) {
configHandler = new ConfigHandler();
}
return configHandler;
}
public OMElement parse(String operationName) throws
XMLStreamException, JaxenException, IOException {
if (rootElem == null) {
rootElem = new StAXOMBuilder(getInputResourceStream()).getDocumentElement();
}
AXIOMXPath xPath = new AXIOMXPath("//service/operation[@name='"
+ operationName + "']");
return (OMElement) xPath.selectSingleNode(rootElem);
}
public void setInputResourceStream(String filePath) throws FileNotFoundException {
if (configsInputStream == null) {
this.configsInputStream = new FileInputStream(filePath);
}
}
public void setInputResourceStream(InputStream stream) {
if (configsInputStream == null) {
this.configsInputStream = stream;
}
}
public InputStream getInputResourceStream() {
return configsInputStream;
}
public OMElement getRootElement(){
return rootElem;
}
}